Rip out browser-side RID caching for most visited items.

chrome/renderer/chrome_content_renderer_client.cc

Index: chrome/renderer/chrome_content_renderer_client.cc
diff --git a/chrome/renderer/chrome_content_renderer_client.cc b/chrome/renderer/chrome_content_renderer_client.cc
index 092b48f31556f817437b63433476946a3354578c..c909ac454aedbebf96eac20f2f97474597968a38 100644
--- a/chrome/renderer/chrome_content_renderer_client.cc
+++ b/chrome/renderer/chrome_content_renderer_client.cc
@@ -9,6 +9,7 @@
 #include "base/metrics/histogram.h"
 #include "base/path_service.h"
 #include "base/string_util.h"
+#include "base/strings/string_number_conversions.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/common/child_process_logging.h"
@@ -992,6 +993,17 @@ bool ChromeContentRendererClient::WillSendRequest(
     return true;
   }
 
+  const content::RenderView* render_view =
+      content::RenderView::FromWebView(frame->view());
+  if (SearchBox* search_box = SearchBox::Get(render_view)) {

[samarth, 2013/06/05 22:59:04]

nit: I prefer keeping initialization outside of conditionals

[kmadhusu, 2013/06/06 02:27:38]

Done.

+    if (url.SchemeIs(chrome::kChromeSearchScheme)) {
+      if (url.host() == chrome::kChromeUIThumbnailHost)
+        return search_box->GenerateThumbnailURLFromTransientURL(url, new_url);
+      else if (url.host() == chrome::kChromeUIFaviconHost)
+        return search_box->GenerateFaviconURLFromTransientURL(url, new_url);
+    }
+  }
+
   return false;
 }